European energy policy faces challenges. Among these are gas supply security and competitiveness of the gas market. Gas supply security is at risk from presently high and increasing European import dependence on a limited number of large foreign suppliers, notably Sonatrach, Statoil and Gazprom....

This paper analyses price structures in the liberalized German market for long-distance telecommunications services. Theoretically deduced patterns are backed-up by empirical observations. The market is exceptionally competitive; entry is taking place on a large scale and prices are falling...

In this paper, we take a critical perspective on the common regulatory reply to deal with call termination on mobile networks. The current policy tendency to deal with fixed-to-mobile call termination is to restrict attention to the defined relevant market (call termination on single networks is...